有一种蛋白据信与哮喘相关，科学家在研究哈特人的相关信息时发现了一种编码这种蛋白的变异基因。
A protein had previously been linked to asthma. And scientists studied data from Hutterites to find a variation in the gene that encodes the protein.
组蛋白还起到了基因开关的作用，因此它们编码的信息可以被复制并且传递到细胞的其它部位。
Histones also play a role in turning genes on so that their coded instructions can be copied and sent to other parts of the cell.
通过注入人工改造使其携带基因信息的病毒粒子，这些细胞被重新编码成了诱导性多功能干细胞。
The cells are reprogrammed into iPS cells by injecting virus particles that have been manipulated to carry genetic information.
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